Combined gas cap and octane reading device



FIG. 1 is a front elevational view of the combined gas cap and octane reading device of the present invention;

FIG. 2 is a rear elevational view of the combined gas cap and octane reading device of FIG. 1;

FIG. 3 is a left side elevational view of the combined gas cap and octane reading device of FIG. 1;

FIG. 4 is a right side elevational view of the combined gas cap and octane reading device of FIG. 1;

FIG. 5 is a top plan view of the combined gas cap and octane reading device of FIG. 1;

FIG. 6 is a bottom plan view of the combined gas cap and octane reading device of FIG. 1; and,

FIG. 7 is a cross-sectional view of part of FIG. 1 taken along line 7—7.

The broken lines showing of numbers and “%” in FIGS. 1, 3 and 4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a combined gas cap and octane reading device, as shown and described. 